EP3935965A1 - Enveloppe pour cigarette non combustible et son procédé de fabrication - Google Patents

Enveloppe pour cigarette non combustible et son procédé de fabrication Download PDF

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Publication number
EP3935965A1
EP3935965A1 EP21739895.7A EP21739895A EP3935965A1 EP 3935965 A1 EP3935965 A1 EP 3935965A1 EP 21739895 A EP21739895 A EP 21739895A EP 3935965 A1 EP3935965 A1 EP 3935965A1
Authority
EP
European Patent Office
Prior art keywords
wrapper
manufacturing
pulp
reconstituted tobacco
mixing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21739895.7A
Other languages
German (de)
English (en)
Other versions
EP3935965A4 (fr
Inventor
Soo Ho Kim
Ki Jin AHN
Young Rim HAN
Jong Yeol Kim
Chang Jin Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KT&G Corp
Original Assignee
KT&G Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KT&G Corp filed Critical KT&G Corp
Publication of EP3935965A1 publication Critical patent/EP3935965A1/fr
Publication of EP3935965A4 publication Critical patent/EP3935965A4/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/20—Cigarettes specially adapted for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B3/00—Preparing tobacco in the factory
    • A24B3/14—Forming reconstituted tobacco products, e.g. wrapper materials, sheets, imitation leaves, rods, cakes; Forms of such products
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/10—Chemical features of tobacco products or tobacco substitutes
    • A24B15/12—Chemical features of tobacco products or tobacco substitutes of reconstituted tobacco
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/28—Treatment of tobacco products or tobacco substitutes by chemical substances
    • A24B15/281—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed
    • A24B15/282—Treatment of tobacco products or tobacco substitutes by chemical substances the action of the chemical substances being delayed by indirect addition of the chemical substances, e.g. in the wrapper, in the case
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/005—Treatment of cigarette paper
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/01—Making cigarettes for simulated smoking devices
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D1/00—Cigars; Cigarettes
    • A24D1/02—Cigars; Cigarettes with special covers
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/20—Devices using solid inhalable precursors
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/02—Material of vegetable origin
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/10—Packing paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/14—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only
    • D21H5/16—Tobacco or cigarette paper

Definitions

  • the present disclosure relates to a wrapper for wrapping a non-combustion-type cigarette used in an aerosol generating device, and a method of manufacturing the same.
  • a wrapper used for a combustion-type-cigarette has a low basis weight and high porosity, and includes a combustion improver and a filler for combustion, thus being unsuitable for a non-combustion-type cigarette used in an aerosol generating device.
  • a wrapper for a non-combustion type cigarette used in an aerosol generating device and a method of manufacturing the same.
  • a method of manufacturing a wrapper for a non-combustion type cigarette used in an aerosol generating device includes: manufacturing a reconstituted tobacco sheet by mixing a tobacco material and first pulp; and manufacturing a wrapper by mixing the reconstituted tobacco sheet and second pulp.
  • a cigarette with visual distinctiveness may be provided.
  • a cigarette with visual distinctiveness may be provided, and a high tensile strength of the wrapper may be achieved.
  • a method of manufacturing a wrapper for a non-combustion type cigarette used in an aerosol generating device includes: manufacturing a reconstituted tobacco sheet by mixing a tobacco material and first pulp; and manufacturing a wrapper by mixing the reconstituted tobacco sheet and second pulp.
  • the manufacturing of the reconstituted tobacco sheet includes: preparing the reconstituted tobacco sheet by mixing at least any one of cigar leaf powder, cigar leaf pieces, cigar leaves, and tobacco leaves, as the tobacco material, and the first pulp.
  • the manufacturing of the reconstituted tobacco sheet includes manufacturing the reconstituted tobacco sheet by mixing the tobacco material and at least one of unbleached kraft pulp and bleached kraft pulp as the first pulp.
  • the manufacturing of the wrapper includes manufacturing the wrapper by mixing the reconstituted tobacco sheet and at least any one of the unbleached kraft pulp and the bleached kraft pulp as the second pulp.
  • the manufacturing of the wrapper includes: manufacturing a uncoated wrapper by mixing the reconstituted tobacco sheet and the second pulp; and manufacturing a coated wrapper by coating the uncoated wrapper.
  • the wrapper for a non-combustion type cigarette used in an aerosol generating device has a tensile strength of 3.0 kgf/15 mm or greater, and includes at least any one of cigar leaf powder, cigar leaf pieces, cigar leaves, and tobacco leaves.
  • the wrapper includes the unbleached kraft pulp.
  • FIG. 1 is a diagram of a cigarette according to an embodiment.
  • a cigarette 20000 is a non-combustion type cigarette to be used in an aerosol generating device.
  • the cigarette 20000 includes a tobacco rod 21000 and a filter rod 22000.
  • FIG. 1 illustrates that the filter rod 22000 includes a single segment.
  • the filter rod 22000 is not limited thereto.
  • the filter rod 22000 may include a plurality of segments.
  • the filter rod 22000 may include a first segment configured to cool an aerosol and a second segment configured to filter a certain component included in the aerosol.
  • the filter rod 22000 may further include at least one segment configured to perform other functions.
  • the cigarette 20000 may be packaged by at least one wrapper 24000.
  • the wrapper 24000 may have at least one hole through which external air may be introduced or internal air may be discharged.
  • the cigarette 20000 may be packaged by the wrapper 24000.
  • the cigarette 20000 may be doubly packaged by two or more wrappers 24000.
  • the tobacco rod 21000 may be packaged by a first wrapper, and the filter rod 22000 may be packaged by a second wrapper.
  • the tobacco rod 21000 and the filter rod 22000 which are respectively packaged by separate wrappers, may be coupled to each other, and the cigarette 20000 may be packaged by a third wrapper.
  • each segment may be packaged by a separate wrapper.
  • the cigarette 20000 including the plurality of segments, which are respectively packaged by the separate wrappers and which are coupled to each other, may be re-packaged by another wrapper.
  • the tobacco rod 21000 may include an aerosol-generating material.
  • the aerosol-generating material may include at least one of glycerin, propylene glycol, ethylene glycol, dipropylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and oleyl alcohol, but it is not limited thereto.
  • the tobacco rod 21000 may include other additives, such as flavors, a wetting agent, and/or organic acid.
  • the tobacco rod 21000 may include a flavoring liquid, such as menthol or a moisturizer, which is injected to the tobacco rod 21000.
  • the tobacco rod 21000 may be manufactured in various forms.
  • the tobacco rod 21000 may be formed as a sheet or a strand.
  • the tobacco rod 21000 may be formed as a pipe tobacco, which is formed of tiny bits cut from a tobacco sheet.
  • the tobacco rod 21000 may be surrounded by a heat conductive material.
  • the heat conductive material may be, but is not limited to, a metal foil such as aluminum foil.
  • the heat conductive material surrounding the tobacco rod 21000 may uniformly distribute heat transmitted to the tobacco rod 21000, and thus, the heat conductivity applied to the tobacco rod may be increased and taste of a tobacco may be improved.
  • the heat conductive material surrounding the tobacco rod 21000 may function as a susceptor heated by an induction heater.
  • the tobacco rod 21000 may further include an additional susceptor, in addition to the heat conductive material surrounding the tobacco rod 21000.
  • the filter rod 22000 may include a cellulose acetate filter. Shapes of the filter rod 22000 are not limited.
  • the filter rod 22000 may include a cylinder-type rod or a tube-type rod having a hollow inside.
  • the filter rod 22000 may include a recess-type rod.
  • the filter rod 22000 includes a plurality of segments, at least one of the plurality of segments may have a different shape.
  • the filter rod 22000 may be formed to generate flavors. For example, a flavoring liquid may be injected onto the filter rod 22000, or an additional fiber coated with a flavoring liquid may be inserted into the filter rod 22000.
  • the filter rod 22000 may include at least one capsule 23000.
  • the capsule 23000 may generate a flavor or an aerosol.
  • the capsule 23000 may have a configuration in which a liquid containing a flavoring material is wrapped with a film.
  • the capsule 23000 may have a spherical or cylindrical shape, but is not limited thereto.
  • the cooling segment may include a polymer material or a biodegradable polymer material.
  • the cooling segment may include pure polylactic acid alone, but the material for forming the cooling segment is not limited thereto.
  • the cooling segment may include a cellulose acetate filter having a plurality of holes.
  • the cooling segment is not limited to the above-described example and is not limited as long as the cooling segment cools the aerosol.
  • the cigarette 20000 may further include a front-end filter.
  • the front-end filter may be located on a side of the tobacco rod 21000 which is opposite to the filter rod 22000.
  • the front-end filter may prevent the tobacco rod 21000 from being detached outwards and prevent a liquefied aerosol from flowing into the aerosol generating device from the tobacco rod 21000, during smoking.
  • FIG. 2 is a flowchart of a method of manufacturing a wrapper according to an embodiment.
  • FIG. 2 shows a manufacturing method of a wrapper for packaging a non-combustion type cigarette used in the aerosol generating device.
  • a wrapper may include a wrapper to be used as a last outer cover of the cigarette.
  • the wrapper may also include a wrapper to be used as an inner cover of the cigarette.
  • a reconstituted tobacco sheet is manufactured by mixing a tobacco material and first pulp.
  • the reconstituted tobacco sheet may be manufactured by performing mixed refining on the tobacco material and the first pulp.
  • a drafting paper process may be used to manufacture the reconstituted tobacco sheet.
  • a drafting paper process using a fourdrinier wire may be used to manufacture the reconstituted tobacco sheet.
  • a cylinder-type drafting paper process may be used to manufacture the reconstitute sheet.
  • the tobacco material includes at least one of cigar leaf powder, cigar leaf pieces, cigar leaves, and tobacco leaves.
  • the tobacco material includes cigar leaf powder.
  • Cigar leaves are tobacco leaves used for manufacturing a cigarette.
  • the tobacco leaves may include flue-cured, burley, native, cigar, or orient, but is not limited thereto.
  • the tobacco material may include cigar leaf pieces or cigar leaf powder.
  • Cigar leaf pieces or cigar leaf powder may be obtained by segmenting or grinding the cigar leaf. Alternatively, the cigar leaf pieces and the cigar leaf powder may be obtained from a by-product that is generated while the tobacco leaves are processed.
  • First pulp includes at least one of unbleached kraft pulp (UKP) and bleached kraft pulp (BKP).
  • UKP unbleached kraft pulp
  • BKP bleached kraft pulp
  • the first pulp includes UKP.
  • the UKP By using the UKP, a tensile strength of a finally produced wrapper may be improved.
  • the finally produced wrapper is colored due to the UKP, and therefore, a cigarette with visual distinctiveness may be provided.
  • the first pulp may include the BKP.
  • the reconstituted tobacco sheet may be manufactured by mixing and drying the tobacco material and the first pulp.
  • a weight ratio between the tobacco material and the first pulp may be set in consideration of a color, a pattern, a tensile strength and the like of the finally produced wrapper.
  • the reconstituted tobacco sheet may be manufactured by mixing the cigar leaf powder and the UKP in a weight ratio of 90: 10.
  • the reconstituted tobacco sheet may be manufactured by mixing the cigar leaf powder and the UKP in a weight ratio of 10: 90.
  • Table 1 shows a result of analyzing the quality of the cigar leaf powder
  • Table 2 shows a result of analyzing the quality of the reconstituted tobacco sheet
  • Table 3 shows decrease ratios of components in Table 2 compared to components in Table 1.
  • a hot water soluble (HWS) occupies an average of about 39.6 wt%, and nicotine occupies an average of about 0.97 wt%. Therefore, when the cigar leaf powder is directly used in a process of manufacturing the wrapper, biological wastewater treatment is substantially unavailable.
  • the biological wastewater treatment is an operation of continuously culturing a mixed group of microorganisms under the existence of dissolved oxygen by using various organisms included in wastewater as a medium, and removing the organisms by actions such as condensation, absorption, oxidation, degradation, and precipitation.
  • Active sludge which is a culture body including a mixed group of heterogeneous solid group microorganisms such as bacteriomycota, protozoa, and metazoa, may be used for the biological wastewater treatment.
  • HWS occupies an average of 8.72 wt% and nicotine occupies an average of 0.06 wt%.
  • the biological wastewater treatment may be performed on pollutants in a process of manufacturing the wrapper.
  • the wrapper is manufactured by mixing the reconstituted tobacco sheet and the second pulp.
  • a drafting paper process may be used to manufacture the wrapper.
  • the second pulp may include at least any one of the BKP and UKP.
  • the wrapper may be manufactured by mixing the reconstituted tobacco sheet and the BKP.
  • the reconstituted tobacco sheet includes the tobacco material and the UKP in a weight ratio of 90: 10 and the reconstituted tobacco sheet and the BKP are mixed in a ratio of 25: 75, a wrapper including 22.5 % of the tobacco material, 2.5 % of the UKP, and 75 % of the BKP may be manufactured.
  • FIG. 3 shows wrappers manufactured in a manufacturing method according to an embodiment.
  • the wrappers shown in FIG. 3 are wrappers manufactured by mixing the reconstituted tobacco sheet and the second pulp in different ratios.
  • a first wrapper was manufactured by mixing the reconstituted tobacco sheet and the BKP in a ratio of 0: 100
  • a second wrapper was manufactured by mixing the reconstituted tobacco sheet and the BKP in a ratio of 20: 80
  • a third wrapper was manufactured by mixing the reconstituted tobacco sheet and the BKP in a ratio of 30: 70
  • a fourth wrapper was manufactured by mixing the reconstituted tobacco sheet and the UKP in a ratio of 0: 100
  • a fifth wrapper was manufactured by mixing the reconstituted tobacco sheet and the UKP in a ratio of 20: 80
  • a sixth wrapper was manufactured by mixing the reconstituted tobacco sheet and the UKP in a ratio of 30: 70.
  • the fourth through sixth wrappers have colors different from those of the first through third wrappers due to UKP.
  • the first through third wrappers respectively have different patterns due to mixing ratios of the reconstituted tobacco sheets.
  • the fourth through sixth wrappers respectively have different patterns due to mixing ratios of the reconstituted tobacco sheets.
  • wrappers having various colors and patterns may be manufactured according to the mixing ratios of the reconstituted tobacco sheet and the second pulp.
  • the UKP is used as the second pulp
  • brownish wrappers may be manufactured, and as a ratio of the reconstituted tobacco sheet increases, a pattern due to the reconstituted tobacco sheet becomes finer. Accordingly, a weight ratio between the tobacco material and the second pulp may be set in consideration of the color, the pattern, and the like of the finally produced wrapper.
  • Table 4 is a table indicating physical properties of the wrappers shown in FIG. 3 .
  • classification unit 1st wrapper 2nd wrapper 3rd wrapper 4th wrapper 5th wrapper 6th wrapper beating time min 10 9 7 14 11 10 CSF ml 580 580 580 590 580 590 Beating degree SR 21.0 21.0 21.0 20.5 21.0 20.5 weight g/m2 40.3 40.4 40.6 40.5 40.5 40.6 Thickness ⁇ m 72.8 97.3 101.4 73.6 94.3 96.9
  • Density g/cm3 0.55 0.42 0.40 0.55 0.43 0.42 Bulk cm 3 /g 1.81 2.41 2.50 1.82 2.33 2.39
  • the physical properties of the wrappers may be adjusted by adjusting the mixing ratios between the reconstituted tobacco sheet and the second pulp. Accordingly, the weight ratio between the tobacco material and the second pulp may be set in consideration of the physical properties of the finally produced wrapper.
  • FIG. 4 shows cigarettes packaged by wrappers manufactured in a manufacturing method according to an embodiment.
  • FIG. 4 shows cigarettes packaged by wrappers having patterns.
  • Table 5 shows physical properties of the wrappers according to an embodiment.
  • Table 5 shows differences in physical properties between the following: an uncoated wrapper that is manufactured by mixing a reconstituted tobacco sheet and the BKP in a weight ratio of 25: 75, wherein the reconstituted tobacco sheet includes the tobacco material and the UKP in a weight ratio of 90: 10; and a coated wrapper that is manufactured by coating the uncoated wrapper with 2 wt% of polyvinyl acetate (PVA).
  • PVA polyvinyl acetate
  • a tensile strength of the uncoated wrapper is 3.45 kgf/15 mm in a machine direction (MD) and 1.92 kgf/15 mm in a cross direction (CD).
  • a tensile strength of the coated wrapper is 4.11 kgf/15 mm in MD and 2.17 kgf/15 mm in CD.
  • a wrapper having a tensile strength of 3.0 kgf/15 mm or greater may be manufactured.
  • the tensile strength of the wrapper is 3.0 kgf/15 mm or greater, breaking of the wrapper during a manufacturing process of the wrapper may be prevented. Therefore, splicing (a connection process in automatic replacement of the wrapper) may be used in processes of manufacturing a coated wrapper and an uncoated wrapper.
  • a tensile strength of the coated wrapper is 4.0 kgf/15 mm or greater, splicing may be smoothly performed.
  • Table 5 shows that PVA used as a coating material, in other embodiments, other coating materials such as gum and starch may be used.
  • 2 wt% of PVA is used as a coating material in Table 5, the weight of PVA may be different in other embodiments.
  • Table 6 shows a result of thermal degradation analysis obtained from samples. [Table 6] samples analysis conditions detected components coated wrapper thermal degradation for 270 seconds respectively under 150/200/250 °C no components detected under the analysis conditions uncoated wrapper thermal degradation for 270 seconds respectively under 150/200/250 °C no components detected under the analysis conditions PVA thermal degradation for 270 seconds respectively under 150/200/250 °C no components detected under the analysis conditions
  • the samples include: an uncoated wrapper generated by mixing the reconstituted tobacco sheet and the BKP in a weight ratio of 25: 75, wherein the reconstituted tobacco sheet includes the tobacco material and the UKP in a weight ratio of 90: 10; a coated wrapper that is manufactured by coating the uncoated wrapper with 2 wt% of PVA; and PVA.
  • Table 6 it may be seen, as no component is detected from the samples, it is safe to use a cigarette packaged by a PVA-coated wrapper in the aerosol generating device.
  • Table 7 shows an analysis result of smoke components obtained from the samples.
  • the samples include: a cigarette packaged by an existing wrapper that is manufactured in an existing method; a cigarette packaged by an uncoated wrapper that is formed by mixing the reconstituted tobacco sheet and the BKP in a ratio of 25: 75, wherein the reconstituted tobacco sheet includes the tobacco material and the UKP in a weight ratio of 90: 10; and a cigarette packaged by the coated wrapper that is manufactured by coating the uncoated wrapper with 2 wt% of PVA.
  • smoke components of the cigarette packaged by the uncoated wrapper and the cigarette packaged by the coated wrapper are similar to the smoke components of the cigarette packaged by the existing wrapper.
  • the samples include: a cigarette packaged by an existing wrapper that is manufactured in an existing method; a cigarette packaged by an uncoated wrapper that is formed by mixing the reconstituted tobacco sheet and the BKP in a ratio of 25: 75, wherein the reconstituted tobacco sheet includes the tobacco material and the UKP in a weight ratio of 90: 10; and a cigarette packaged by the coated wrapper that is manufactured by coating the uncoated wrapper with 2 wt% of PVA.
  • the sensory evaluation was performed on twenty general users regarding nine options, with reference to a full score of seven points each.
  • the nine options include an atomization amount, durability of the atomization amount, suction performance, sense of heat of mainstream smoke, sense of heat of cigarette surface, smoking intensity, irritation, off flavor, and whole taste of tobacco referring to Table 8, compared to the cigarette packaged by the existing wrapper, the cigarette packaged by the uncoated wrapper and the cigarette packaged by the coated wrapper have equal or higher evaluation scores. Particularly, in options of the durability of atomization amount and the whole tobacco taste, the cigarette packaged by the uncoated wrapper and the cigarette packaged by the coated wrapper have evaluation scores higher than that of the cigarette packaged by the existing wrapper. Accordingly, it may be found that the cigarette packaged by the wrapper manufactured in the manufacturing method according to the present embodiment has the quality that is equal to or higher than that of the cigarette packaged by the existing wrapper.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Manufacture Of Tobacco Products (AREA)
  • Paper (AREA)
EP21739895.7A 2020-05-11 2021-03-22 Enveloppe pour cigarette non combustible et son procédé de fabrication Pending EP3935965A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020200056158A KR102431771B1 (ko) 2020-05-11 2020-05-11 비연소형 궐련을 위한 래퍼 및 그의 제조방법
PCT/KR2021/003501 WO2021230488A1 (fr) 2020-05-11 2021-03-22 Enveloppe pour cigarette non combustible et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP3935965A1 true EP3935965A1 (fr) 2022-01-12
EP3935965A4 EP3935965A4 (fr) 2022-03-23

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EP21739895.7A Pending EP3935965A4 (fr) 2020-05-11 2021-03-22 Enveloppe pour cigarette non combustible et son procédé de fabrication

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US (1) US20220256906A1 (fr)
EP (1) EP3935965A4 (fr)
JP (1) JP2022537473A (fr)
KR (1) KR102431771B1 (fr)
CN (1) CN114727649A (fr)
WO (1) WO2021230488A1 (fr)

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KR20230054300A (ko) 2021-10-15 2023-04-24 주식회사 엘지에너지솔루션 음극 및 이를 포함하는 이차전지
WO2023128415A1 (fr) * 2021-12-31 2023-07-06 주식회사 케이티앤지 Cape de cigare et produit à fumer de type chauffant la comprenant
CN116235990A (zh) * 2023-02-06 2023-06-09 湖北中烟工业有限责任公司 一种炭加热烟支

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WO2021230488A1 (fr) 2021-11-18
US20220256906A1 (en) 2022-08-18
KR102431771B1 (ko) 2022-08-11
EP3935965A4 (fr) 2022-03-23
KR20210137834A (ko) 2021-11-18
JP2022537473A (ja) 2022-08-26

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